diff --git a/trading_system/binance_client.py b/trading_system/binance_client.py
index b83eb4a..29d1028 100644
--- a/trading_system/binance_client.py
+++ b/trading_system/binance_client.py
@@ -294,17 +294,31 @@ class BinanceClient:
             headers = {"X-MBX-APIKEY": self.api_key}
             async with aiohttp.ClientSession() as session:
                 async with session.post(url, headers=headers, timeout=aiohttp.ClientTimeout(total=10)) as resp:
+                    text = await resp.text()
                     if resp.status != 200:
-                        text = await resp.text()
-                        logger.warning(f"create_futures_listen_key 失败 status={resp.status} body={text}")
+                        logger.warning(
+                            "create_futures_listen_key 失败 status=%s body=%s",
+                            resp.status, (text[:500] if text else ""),
+                        )
                         return None
-                    data = await resp.json()
+                    try:
+                        data = json.loads(text) if (text and text.strip()) else {}
+                    except Exception:
+                        data = {}
                     key = data.get("listenKey") if isinstance(data, dict) else None
                     if key:
                         logger.info("✓ 合约 User Data Stream listenKey 已创建")
                     return key
+        except asyncio.TimeoutError:
+            logger.warning("create_futures_listen_key 失败: 请求超时（可检查该账号网络或代理）")
+            return None
         except Exception as e:
-            logger.warning(f"create_futures_listen_key 失败: {e}")
+            err_msg = getattr(e, "message", str(e)) or repr(e)
+            logger.warning(
+                "create_futures_listen_key 失败: %s - %s",
+                type(e).__name__, err_msg,
+                exc_info=logger.isEnabledFor(logging.DEBUG),
+            )
             return None
 
     async def keepalive_futures_listen_key(self, listen_key: str):
diff --git a/trading_system/ticker_24h_stream.py b/trading_system/ticker_24h_stream.py
index 611d7f4..01a2299 100644
--- a/trading_system/ticker_24h_stream.py
+++ b/trading_system/ticker_24h_stream.py
@@ -93,7 +93,13 @@ class Ticker24hStream:
             except asyncio.CancelledError:
                 break
             except Exception as e:
-                logger.warning(f"Ticker24hStream: WS 异常 {e}，10s 后重连")
+                err_msg = getattr(e, "message", str(e)) or repr(e)
+                err_type = type(e).__name__
+                logger.warning(
+                    "Ticker24hStream: WS 异常 %s: %s，10s 后重连",
+                    err_type, err_msg,
+                    exc_info=logger.isEnabledFor(logging.DEBUG),
+                )
                 await asyncio.sleep(10)
             self._ws = None
             if not self._running:
diff --git a/trading_system/user_data_stream.py b/trading_system/user_data_stream.py
index 9e33a84..482e219 100644
--- a/trading_system/user_data_stream.py
+++ b/trading_system/user_data_stream.py
@@ -222,7 +222,13 @@ class UserDataStream:
             except asyncio.CancelledError:
                 break
             except Exception as e:
-                logger.warning(f"UserDataStream: WS 异常 {e}，60s 后重连")
+                err_msg = getattr(e, "message", str(e)) or repr(e)
+                err_type = type(e).__name__
+                logger.warning(
+                    "UserDataStream(account_id=%s): WS 异常 %s: %s，60s 后重连",
+                    self.account_id, err_type, err_msg,
+                    exc_info=logger.isEnabledFor(logging.DEBUG),
+                )
                 await asyncio.sleep(60)
             self._ws = None
             self._conn_start_time = None
@@ -231,6 +237,10 @@ class UserDataStream:
             # 重连前重新创建 listenKey（旧 key 可能已失效或 listenKeyExpired）
             self._listen_key = await self.client.create_futures_listen_key()
             if not self._listen_key:
+                logger.warning(
+                    "UserDataStream(account_id=%s): 重新创建 listenKey 失败，60s 后重试（请检查该账号 API 权限/网络/IP 白名单）",
+                    self.account_id,
+                )
                 await asyncio.sleep(60)
                 continue